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This study advances the sustainable reprocessing of Cantung historical mine tailings through a pilot-scale plant focussed on sulphide recovery, aiming to mitigate acid mine drainageAcid Mine Drainage (AMD) and promote environmentally responsible miningResponsible mining. Building on previous bench-scale work, the pilot plant successfully scaled up the separation of sulphide minerals, reducing the environmental impactEnvironmental impact of the tailings. Parallel bench-scale experiments exploredMechanochemical leaching mechanochemical leachingLeaching using caustic soda, enhancing the extraction of tungsten-bearing minerals. The pilot plant demonstrated successful sulphide recovery, while bench-scale leaching tests showed improved metalMetal extraction, offering a combined approach for sustainableSustainable tailings reprocessingTailings reprocessing and resource recoveryResource recovery.

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Advancing Tailings Reprocessing: Pilot-Scale Sulphide Recovery and Mechanochemical Leaching for Sustainable Resource Recovery

  • 会议论文

  • 发表日期：

    2025年

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  • Maziar E. Sauber,
  • Antonio Di Feo,
  • Yevhen Kravtsov,
  • Jophat Engwayu,
  • Arik J. A. Collins,
  • Charlotte Gibson

摘要

This study advances the sustainable reprocessing of Cantung historical mine tailings through a pilot-scale plant focussed on sulphide recovery, aiming to mitigate acid mine drainageAcid Mine Drainage (AMD) and promote environmentally responsible miningResponsible mining. Building on previous bench-scale work, the pilot plant successfully scaled up the separation of sulphide minerals, reducing the environmental impactEnvironmental impact of the tailings. Parallel bench-scale experiments exploredMechanochemical leaching mechanochemical leachingLeaching using caustic soda, enhancing the extraction of tungsten-bearing minerals. The pilot plant demonstrated successful sulphide recovery, while bench-scale leaching tests showed improved metalMetal extraction, offering a combined approach for sustainableSustainable tailings reprocessingTailings reprocessing and resource recoveryResource recovery.